FEMFAT Plast Extension Module: Considering Local Plasticity
FEMFAT plast / Consider local plastification
Calculating elasto-plastic stress from linear elastic analysis results.
EMFAT plast calculates the elastic-plastic stress around the notch area based on the results of linear elastic analysis using the Neuber correction. The Neuber rule is a method that demonstrates the relationship between linear and nonlinear stress and strain, allowing the representation of the Neuber hyperbola using Young's modulus E and nonlinear strain εplast. To represent the hysteresis loop of the cyclic stress-strain diagram (using the cyclic hardening coefficient K' and cyclic hardening exponent n'), the Ramberg-Osgood rule is used to calculate the nonlinear stress as the intersection point with the Neuber hyperbola. This eliminates the need for FE analysis considering material nonlinearity for local plasticity, allowing the elastic-plastic stress to be corrected with FEMFAT plast. Additionally, FEMFAT plast enables a reduction in computational effort for FE analysis. FEMFAT plast is compatible with FEMFAT basic, FEMFAT max, and FEMFAT spectral. *For more details, please download the PDF or contact us.*
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FEMFAT Plast 【Features】 ■ Expansion modules: Optional modules BASIC, MAX, SPECTRAL ■ Essential module for linear analysis (elastic analysis with constant Young's modulus) ■ Consideration of local material plasticity according to the Neuber rule *For more details, please download the PDF or contact us.*
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Magna is a mobility technology company and is part of one of the world's largest automotive suppliers. Magna Powertrain and ECS, one of the Magna Group companies, is globally recognized as an engineering partner for passenger cars, commercial vehicles, specialty vehicles, agricultural vehicles, and transportation vehicles, as well as for new entrants in mobility. We provide vehicle engineering, alternative propulsion systems, application software, and various testing and trial services. We focus on lightweight design, modularization, and green transportation, taking into account vehicle development goals, and leverage our experience and know-how in system development and electrification to offer a full range of solutions. Please feel free to contact us if you have any inquiries.